Kaprekar Numbers in all languages in bytes. Achievements Cheevos Holes Languages Medals Miscellaneous All Holes 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial All Languages ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Bytes Chars Scoring Bytes Chars Language All ><> Assembly AWK Bash BASIC Berry brainfuck C C# C++ Civet Clojure COBOL Coconut Common Lisp Crystal D Dart Elixir Erlang F# Factor Forth Fortran Gleam Go GolfScript Groovy Haskell Hexagony J Janet Java JavaScript jq Julia K Kotlin Lua Nim OCaml Pascal Perl PHP PowerShell Prolog Python R Raku Rockstar Ruby Rust Scheme sed SQL Swift Tcl TeX V VimL Wren Zig Experimental Language 05AB1E ALGOL 68 APL Arturo Befunge BQN CJam CoffeeScript Egel Fennel Harbour Hare Haxe Hush Hy iogii Knight Luau Odin Picat Qore Racket Rebol Rexx Scala Squirrel Stax Uiua Umka Vala Vyxal Hole All 12 Days of Christmas 24 Game 99 Bottles of Beer Abundant Numbers Abundant Numbers (Long) Arabic to Roman Arithmetic Numbers Arrows Ascending Primes ASCII Table Billiards brainfuck Card Number Validation Catalan Numbers Catalan’s Constant Christmas Trees Collatz CSS Colors Cubes Day of Week DFA Simulator Diamonds Divisors Emirp Numbers Emirp Numbers (Long) Emojify Evil Numbers Evil Numbers (Long) Factorial Factorisation Farey Sequence Fibonacci Fizz Buzz Foo Fizz Buzz Bar Forsyth–Edwards Notation Fractions Game of Life Gijswijt’s Sequence Happy Numbers Happy Numbers (Long) Hexdump Hilbert Curve Intersection Inventory Sequence ISBN Jacobi Symbol Kaprekar Numbers Kolakoski Constant Kolakoski Sequence Leap Years Levenshtein Distance Leyland Numbers ln 2 Look and Say Lucky Numbers Lucky Tickets Mahjong Mandelbrot Maze Medal Tally Minesweeper Morse Decoder Morse Encoder Musical Chords N Queens Niven Numbers Niven Numbers (Long) Number Spiral Odious Numbers Odious Numbers (Long) Ordinal Numbers PalindromemordnilaP Pangram Grep Partition Numbers Pascal’s Triangle Pernicious Numbers Pernicious Numbers (Long) Poker Polyominoes Prime Numbers Prime Numbers (Long) Proximity Grid QR Decoder Quine Recamán Repeating Decimals Reverse Polish Notation Reversi Rijndael S-box Rock-paper-scissors-Spock-lizard Roman to Arabic ROT13 Rule 110 Scrambled Sort Set Seven Segment SI Units Sierpiński Triangle Smith Numbers Spelling Numbers Star Wars GPT Star Wars Opening Crawl Sudoku Sudoku (Fill-in) Ten-pin Bowling Tic-tac-toe Time Distance Tongue-twisters Topological Sort Tower of Hanoi Transpose Sentence Trinomial Triangle United States Vampire Numbers Van Eck Sequence Zeckendorf Representation Zodiac Signs γ λ π τ φ √2 𝑒 Experimental Hole Apéry’s Constant Binary Lambda Calculus Calendar Connect Four Continued Fractions Crossword CSS Colors (Inverse) CSS Grid Ellipse Perimeters Flags Floyd-Steinberg Dithering Gray Code Decoder Gray Code Encoder Hexagonal Spiral Highly Composite Numbers Multitap Input NFA Simulator Numbrix Odd Polyomino Tiling p-adic Expansion Polygon Triangulations QR Encoder Quadratic Formula Semiprime Numbers Smooth Numbers Snake Sphenic Numbers Taxicab Numbers Turtle Tutorial # Golfer Points Bytes Time Submitted 749th zbreit 🇺🇸 151 452 9ms 1 Nov 2024 749th Shanethegamer 🇺🇸 151 452 9ms 1 Nov 2024 749th madex 🇩🇪 151 452 9ms 1 Nov 2024 749th jtaxen 151 452 9ms 1 Nov 2024 749th Stockoh 🇫🇷 151 452 9ms 4 Nov 2024 749th evan18c 151 452 9ms 7 Nov 2024 749th roguh 🇬🇹 151 452 9ms 27 Nov 2024 749th mathisfun271 151 452 10ms 25 Jan 2025 749th moustave 151 452 9ms 9 Apr 2025 749th SectorCorruptor 151 452 9ms 24 Jul 2025 749th vgamula 🇺🇦 151 452 9ms 25 Jul 2025 749th Unknownuserfrommars 151 452 9ms 5 Aug 2025 749th JOrE20 🇺🇸 151 452 9ms 6 Nov 2025 764th HumanoidCPU 150 445 4ms 1 Nov 2024 764th dokutan 150 445 4ms 1 Nov 2024 764th MeWhenI 🇻🇦 150 445 4ms 2 Nov 2024 764th fischfood 150 445 4ms 8 Nov 2024 764th CaedenHarper 🇨🇦 150 445 4ms 16 Aug 2025 769th KasperKivimaeki 🇫🇮 150 457 9ms 15 Jul 2025 769th 051 🇸🇬 150 457 9ms 8 Oct 2025 771st Unknownuserfrommars 150 557 2,769ms 10 Dec 2024 772nd Maznek 149 364 9ms 8 Nov 2024 772nd elisherer 🇮🇱 149 364 9ms 3 Nov 2025 774th HumanoidCPU 149 448 1ms 1 Nov 2024 774th Shanethegamer 🇺🇸 149 448 1ms 1 Nov 2024 774th koipondx86 149 448 1ms 1 Nov 2024 774th MeWhenI 🇻🇦 149 448 1ms 2 Nov 2024 774th CaedenHarper 🇨🇦 149 448 1ms 16 Aug 2025 779th Upload-and-View 🇺🇦 149 458 9ms 9 Aug 2025 780th KatieLG 🇬🇧 149 538 465ms 1 Nov 2024 781st KatieLG 🇬🇧 149 563 958ms 1 Nov 2024 782nd HumanoidCPU 148 456 1ms 1 Nov 2024 782nd dokutan 148 456 1ms 1 Nov 2024 782nd Shanethegamer 🇺🇸 148 456 2ms 1 Nov 2024 782nd CaedenHarper 🇨🇦 148 456 1ms 23 Jan 2025 782nd Maashau 148 456 2ms 7 hours ago 787th HumanoidCPU 146 461 100ms 1 Nov 2024 787th KatieLG 🇬🇧 146 461 97ms 1 Nov 2024 787th Shanethegamer 🇺🇸 146 461 101ms 1 Nov 2024 787th dokutan 146 461 99ms 1 Nov 2024 787th MeWhenI 🇻🇦 146 461 102ms 2 Nov 2024 787th CaedenHarper 🇨🇦 146 461 101ms 24 Jan 2025 793rd KatieLG 🇬🇧 146 466 90ms 12 days ago 794th JunkIce 145 449 1,421ms 3 Dec 2024 795th HumanoidCPU 144 452 319ms 1 Nov 2024 795th Shanethegamer 🇺🇸 144 452 335ms 1 Nov 2024 797th KatieLG 🇬🇧 142 469 7ms 12 days ago 798th HumanoidCPU 141 446 72ms 1 Nov 2024 798th Shanethegamer 🇺🇸 141 446 73ms 1 Nov 2024 798th MeWhenI 🇻🇦 141 446 79ms 2 Nov 2024 798th snoozingnewt 🇨🇦 141 446 77ms 3 Nov 2024 798th CaedenHarper 🇨🇦 141 446 71ms 16 Aug 2025 803rd dokutan 139 452 76ms 1 Nov 2024 804th emgordon154 139 602 1,793ms 12 Dec 2024 805th KatieLG 🇬🇧 138 505 636ms 12 days ago 806th HumanoidCPU 136 575 41ms 9 Mar 2025 807th KatieLG 🇬🇧 135 465 110ms 12 days ago 808th dokutan 133 473 2ms 1 Nov 2024 809th KatieLG 🇬🇧 133 475 1ms 1 Nov 2024 810th dokutan 133 483 1ms 21 Jun 2025 811th dokutan 133 591 40ms 1 Nov 2024 812th KatieLG 🇬🇧 132 487 1ms 12 days ago 813th KatieLG 🇬🇧 131 443 2ms 12 days ago 814th HumanoidCPU 131 444 2ms 1 Nov 2024 814th Shanethegamer 🇺🇸 131 444 3ms 1 Nov 2024 814th dokutan 131 444 2ms 1 Nov 2024 814th MeWhenI 🇻🇦 131 444 2ms 2 Nov 2024 814th CaedenHarper 🇨🇦 131 444 2ms 16 Aug 2025 819th KatieLG 🇬🇧 130 515 1ms 8 Jan 2025 820th KatieLG 🇬🇧 127 530 1ms 1 Nov 2024 821st sciencejiho 127 532 2ms 12 Feb 2025 822nd dokutan 126 439 32ms 21 Apr 2025 822nd olleicua 🇺🇸 126 439 30ms 12 Jun 2025 824th HumanoidCPU 124 445 32ms 1 Nov 2024 824th Shanethegamer 🇺🇸 124 445 33ms 1 Nov 2024 First Prev 751–825 of 983 Next Last